text: /*
     +----------------------------------------------------------------------+
     | PHP Version 7                                                        |
     +----------------------------------------------------------------------+
     | Copyright (c) 1997-2015 The PHP Group                                |
     +----------------------------------------------------------------------+
     | This source file is subject to version 3.01 of the PHP license,      |
     | that is bundled with this package in the file LICENSE, and is        |
     | available through the world-wide-web at the following url:           |
     | http://www.php.net/license/3_01.txt                                  |
     | If you did not receive a copy of the PHP license and are unable to   |
     | obtain it through the world-wide-web, please send a note to          |
     | license@php.net so we can mail you a copy immediately.               |
     +----------------------------------------------------------------------+
     | Authors: Rasmus Lerdorf <rasmus@php.net>                             |
     |          Stig Bakken <ssb@php.net>                                   |
     |          Andi Gutmans <andi@zend.com>                                |
     |          Zeev Suraski <zeev@zend.com>                                |
     | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net)               |
     | PHP streams by Wez Furlong (wez@thebrainroom.com)                    |
     +----------------------------------------------------------------------+
  */
  
  /* $Id$ */
  
  /* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */
  
  /* {{{ includes */
  
  #include "php.h"
  #include "php_globals.h"
  #include "ext/standard/flock_compat.h"
  #include "ext/standard/exec.h"
  #include "ext/standard/php_filestat.h"
  #include "php_open_temporary_file.h"
  #include "ext/standard/basic_functions.h"
  #include "php_ini.h"
  #include "zend_smart_str.h"
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <errno.h>
  #include <sys/types.h>
  #include <sys/stat.h>
  #include <fcntl.h>
  
  #ifdef PHP_WIN32
  # include <io.h>
  # define O_RDONLY _O_RDONLY
  # include "win32/param.h"
  # include "win32/winutil.h"
  # include "win32/fnmatch.h"
  #else
  # if HAVE_SYS_PARAM_H
  #  include <sys/param.h>
  # endif
  # if HAVE_SYS_SELECT_H
  #  include <sys/select.h>
  # endif
  # if defined(NETWARE) && defined(USE_WINSOCK)
  #  include <novsock2.h>
  # else
  #  include <sys/socket.h>
  #  include <netinet/in.h>
  #  include <netdb.h>
  # endif
  # if HAVE_ARPA_INET_H
  #  include <arpa/inet.h>
  # endif
  #endif
  
  #include "ext/standard/head.h"
  #include "php_string.h"
  #include "file.h"
  
  #if HAVE_PWD_H
  # ifdef PHP_WIN32
  #  include "win32/pwd.h"
  # else
  #  include <pwd.h>
  # endif
  #endif
  
  #ifdef HAVE_SYS_TIME_H
  # include <sys/time.h>
  #endif
  
  #include "fsock.h"
  #include "fopen_wrappers.h"
  #include "streamsfuncs.h"
  #include "php_globals.h"
  
  #ifdef HAVE_SYS_FILE_H
  # include <sys/file.h>
  #endif
  
  #if MISSING_FCLOSE_DECL
  extern int fclose(FILE *);
  #endif
  
  #ifdef HAVE_SYS_MMAN_H
  # include <sys/mman.h>
  #endif
  
  #include "scanf.h"
  #include "zend_API.h"
  
  #ifdef ZTS
  int file_globals_id;
  #else
  php_file_globals file_globals;
  #endif
  
  #if defined(HAVE_FNMATCH) && !defined(PHP_WIN32)
  # ifndef _GNU_SOURCE
  #  define _GNU_SOURCE
  # endif
  # include <fnmatch.h>
  #endif
  
  #ifdef HAVE_WCHAR_H
  # include <wchar.h>
  #endif
  
  #ifndef S_ISDIR
  # define S_ISDIR(mode)	(((mode)&S_IFMT) == S_IFDIR)
  #endif
  /* }}} */
  
  #define PHP_STREAM_TO_ZVAL(stream, arg) \
  	ZEND_ASSERT(Z_TYPE_P(arg) == IS_RESOURCE); \
  	php_stream_from_res(stream, Z_RES_P(arg));
  
  /* {{{ ZTS-stuff / Globals / Prototypes */
  
  /* sharing globals is *evil* */
  static int le_stream_context = FAILURE;
  
  PHPAPI int php_le_stream_context(void)
  {
  	return le_stream_context;
  }
  /* }}} */
  
  /* {{{ Module-Stuff
  */
  static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
  {
  	php_stream_context *context = (php_stream_context*)res->ptr;
  	if (Z_TYPE(context->options) != IS_UNDEF) {
  		zval_ptr_dtor(&context->options);
  		ZVAL_UNDEF(&context->options);
  	}
  	php_stream_context_free(context);
  }
  
  static void file_globals_ctor(php_file_globals *file_globals_p)
  {
  	memset(file_globals_p, 0, sizeof(php_file_globals));
  	file_globals_p->def_chunk_size = PHP_SOCK_CHUNK_SIZE;
  }
  
  static void file_globals_dtor(php_file_globals *file_globals_p)
  {
  }
  
  PHP_INI_BEGIN()
  	STD_PHP_INI_ENTRY("user_agent", NULL, PHP_INI_ALL, OnUpdateString, user_agent, php_file_globals, file_globals)
  	STD_PHP_INI_ENTRY("from", NULL, PHP_INI_ALL, OnUpdateString, from_address, php_file_globals, file_globals)
  	STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateLong, default_socket_timeout, php_file_globals, file_globals)
  	STD_PHP_INI_ENTRY("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateLong, auto_detect_line_endings, php_file_globals, file_globals)
  PHP_INI_END()
  
  PHP_MINIT_FUNCTION(file)
  {
  	le_stream_context = zend_register_list_destructors_ex(file_context_dtor, NULL, "stream-context", module_number);
  
  #ifdef ZTS
  	ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor);
  #else
  	file_globals_ctor(&file_globals);
  #endif
  
  	REGISTER_INI_ENTRIES();
  
  	REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("LOCK_SH", PHP_LOCK_SH, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("LOCK_EX", PHP_LOCK_EX, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("LOCK_UN", PHP_LOCK_UN, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_CONNECT",			PHP_STREAM_NOTIFY_CONNECT,			CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_REQUIRED",	PHP_STREAM_NOTIFY_AUTH_REQUIRED,	CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_RESULT",		PHP_STREAM_NOTIFY_AUTH_RESULT,		CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_MIME_TYPE_IS",	PHP_STREAM_NOTIFY_MIME_TYPE_IS,		CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FILE_SIZE_IS",	PHP_STREAM_NOTIFY_FILE_SIZE_IS,		CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_REDIRECTED",		PHP_STREAM_NOTIFY_REDIRECTED,		CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_PROGRESS",		PHP_STREAM_NOTIFY_PROGRESS,			CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FAILURE",			PHP_STREAM_NOTIFY_FAILURE,			CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_COMPLETED",		PHP_STREAM_NOTIFY_COMPLETED,		CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_RESOLVE",			PHP_STREAM_NOTIFY_RESOLVE,			CONST_CS | CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_INFO",	PHP_STREAM_NOTIFY_SEVERITY_INFO,	CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_WARN",	PHP_STREAM_NOTIFY_SEVERITY_WARN,	CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_ERR",	PHP_STREAM_NOTIFY_SEVERITY_ERR,		CONST_CS | CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("STREAM_FILTER_READ",			PHP_STREAM_FILTER_READ,				CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_FILTER_WRITE",			PHP_STREAM_FILTER_WRITE,			CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_FILTER_ALL",				PHP_STREAM_FILTER_ALL,				CONST_CS | CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("STREAM_CLIENT_PERSISTENT",		PHP_STREAM_CLIENT_PERSISTENT,		CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CLIENT_ASYNC_CONNECT",	PHP_STREAM_CLIENT_ASYNC_CONNECT,	CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CLIENT_CONNECT",			PHP_STREAM_CLIENT_CONNECT,	CONST_CS | CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_CLIENT",	STREAM_CRYPTO_METHOD_ANY_CLIENT,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT",	STREAM_CRYPTO_METHOD_SSLv2_CLIENT,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT",	STREAM_CRYPTO_METHOD_SSLv3_CLIENT,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT",	STREAM_CRYPTO_METHOD_SSLv23_CLIENT,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT",	STREAM_CRYPTO_METHOD_TLS_CLIENT,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT",	STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT",	STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT",	STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_SERVER",	STREAM_CRYPTO_METHOD_ANY_SERVER,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER",	STREAM_CRYPTO_METHOD_SSLv2_SERVER,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER",	STREAM_CRYPTO_METHOD_SSLv3_SERVER,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER",	STREAM_CRYPTO_METHOD_SSLv23_SERVER,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER",	STREAM_CRYPTO_METHOD_TLS_SERVER,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_SERVER",	STREAM_CRYPTO_METHOD_TLSv1_0_SERVER,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_SERVER",	STREAM_CRYPTO_METHOD_TLSv1_1_SERVER,	CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_SERVER",	STREAM_CRYPTO_METHOD_TLSv1_2_SERVER,	CONST_CS|CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("STREAM_SHUT_RD",	STREAM_SHUT_RD,		CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_SHUT_WR",	STREAM_SHUT_WR,		CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_SHUT_RDWR",	STREAM_SHUT_RDWR,	CONST_CS|CONST_PERSISTENT);
  
  #ifdef PF_INET
  	REGISTER_LONG_CONSTANT("STREAM_PF_INET", PF_INET, CONST_CS|CONST_PERSISTENT);
  #elif defined(AF_INET)
  	REGISTER_LONG_CONSTANT("STREAM_PF_INET", AF_INET, CONST_CS|CONST_PERSISTENT);
  #endif
  
  #if HAVE_IPV6
  # ifdef PF_INET6
  	REGISTER_LONG_CONSTANT("STREAM_PF_INET6", PF_INET6, CONST_CS|CONST_PERSISTENT);
  # elif defined(AF_INET6)
  	REGISTER_LONG_CONSTANT("STREAM_PF_INET6", AF_INET6, CONST_CS|CONST_PERSISTENT);
  # endif
  #endif
  
  #ifdef PF_UNIX
  	REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", PF_UNIX, CONST_CS|CONST_PERSISTENT);
  #elif defined(AF_UNIX)
  	REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", AF_UNIX, CONST_CS|CONST_PERSISTENT);
  #endif
  
  #ifdef IPPROTO_IP
  	/* most people will use this one when calling socket() or socketpair() */
  	REGISTER_LONG_CONSTANT("STREAM_IPPROTO_IP", IPPROTO_IP, CONST_CS|CONST_PERSISTENT);
  #endif
  
  #ifdef IPPROTO_TCP
  	REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
  #endif
  
  #ifdef IPPROTO_UDP
  	REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
  #endif
  
  #ifdef IPPROTO_ICMP
  	REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
  #endif
  
  #ifdef IPPROTO_RAW
  	REGISTER_LONG_CONSTANT("STREAM_IPPROTO_RAW", IPPROTO_RAW, CONST_CS|CONST_PERSISTENT);
  #endif
  
  	REGISTER_LONG_CONSTANT("STREAM_SOCK_STREAM", SOCK_STREAM, CONST_CS|CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_SOCK_DGRAM", SOCK_DGRAM, CONST_CS|CONST_PERSISTENT);
  
  #ifdef SOCK_RAW
  	REGISTER_LONG_CONSTANT("STREAM_SOCK_RAW", SOCK_RAW, CONST_CS|CONST_PERSISTENT);
  #endif
  
  #ifdef SOCK_SEQPACKET
  	REGISTER_LONG_CONSTANT("STREAM_SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_CS|CONST_PERSISTENT);
  #endif
  
  #ifdef SOCK_RDM
  	REGISTER_LONG_CONSTANT("STREAM_SOCK_RDM", SOCK_RDM, CONST_CS|CONST_PERSISTENT);
  #endif
  
  	REGISTER_LONG_CONSTANT("STREAM_PEEK", STREAM_PEEK, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_OOB",  STREAM_OOB, CONST_CS | CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("STREAM_SERVER_BIND",			STREAM_XPORT_BIND,					CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("STREAM_SERVER_LISTEN",			STREAM_XPORT_LISTEN,				CONST_CS | CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("FILE_USE_INCLUDE_PATH",			PHP_FILE_USE_INCLUDE_PATH,			CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("FILE_IGNORE_NEW_LINES",			PHP_FILE_IGNORE_NEW_LINES,			CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("FILE_SKIP_EMPTY_LINES",			PHP_FILE_SKIP_EMPTY_LINES,			CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("FILE_APPEND",					PHP_FILE_APPEND,					CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("FILE_NO_DEFAULT_CONTEXT",		PHP_FILE_NO_DEFAULT_CONTEXT,		CONST_CS | CONST_PERSISTENT);
  
  	REGISTER_LONG_CONSTANT("FILE_TEXT",						0,									CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("FILE_BINARY",					0,									CONST_CS | CONST_PERSISTENT);
  
  #ifdef HAVE_FNMATCH
  	REGISTER_LONG_CONSTANT("FNM_NOESCAPE", FNM_NOESCAPE, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("FNM_PATHNAME", FNM_PATHNAME, CONST_CS | CONST_PERSISTENT);
  	REGISTER_LONG_CONSTANT("FNM_PERIOD",   FNM_PERIOD,   CONST_CS | CONST_PERSISTENT);
  # ifdef FNM_CASEFOLD /* a GNU extension */ /* TODO emulate if not available */
  	REGISTER_LONG_CONSTANT("FNM_CASEFOLD", FNM_CASEFOLD, CONST_CS | CONST_PERSISTENT);
  # endif
  #endif
  
  	return SUCCESS;
  }
  /* }}} */
  
  PHP_MSHUTDOWN_FUNCTION(file) /* {{{ */
  {
  #ifndef ZTS
  	file_globals_dtor(&file_globals);
  #endif
  	return SUCCESS;
  }
  /* }}} */
  
  static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
  
  /* {{{ proto bool flock(resource fp, int operation [, int &wouldblock])
     Portable file locking */
  PHP_FUNCTION(flock)
  {
  	zval *res, *wouldblock = NULL;
  	int act;
  	php_stream *stream;
  	zend_long operation = 0;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|z/", &res, &operation, &wouldblock) == FAILURE) {
  		return;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	act = operation & 3;
  	if (act < 1 || act > 3) {
  		php_error_docref(NULL, E_WARNING, "Illegal operation argument");
  		RETURN_FALSE;
  	}
  
  	if (wouldblock) {
  		zval_dtor(wouldblock);
  		ZVAL_LONG(wouldblock, 0);
  	}
  
  	/* flock_values contains all possible actions if (operation & 4) we won't block on the lock */
  	act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
  	if (php_stream_lock(stream, act)) {
  		if (operation && errno == EWOULDBLOCK && wouldblock) {
  			ZVAL_LONG(wouldblock, 1);
  		}
  		RETURN_FALSE;
  	}
  	RETURN_TRUE;
  }
  /* }}} */
  
  #define PHP_META_UNSAFE ".\\+*?[^]$() "
  
  /* {{{ proto array get_meta_tags(string filename [, bool use_include_path])
     Extracts all meta tag content attributes from a file and returns an array */
  PHP_FUNCTION(get_meta_tags)
  {
  	char *filename;
  	size_t filename_len;
  	zend_bool use_include_path = 0;
  	int in_tag = 0, done = 0;
  	int looking_for_val = 0, have_name = 0, have_content = 0;
  	int saw_name = 0, saw_content = 0;
  	char *name = NULL, *value = NULL, *temp = NULL;
  	php_meta_tags_token tok, tok_last;
  	php_meta_tags_data md;
  
  	/* Initiailize our structure */
  	memset(&md, 0, sizeof(md));
  
  	/* Parse arguments */
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|b", &filename, &filename_len, &use_include_path) == FAILURE) {
  		return;
  	}
  
  	md.stream = php_stream_open_wrapper(filename, "rb",
  			(use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
  			NULL);
  	if (!md.stream)	{
  		RETURN_FALSE;
  	}
  
  	array_init(return_value);
  
  	tok_last = TOK_EOF;
  
  	while (!done && (tok = php_next_meta_token(&md)) != TOK_EOF) {
  		if (tok == TOK_ID) {
  			if (tok_last == TOK_OPENTAG) {
  				md.in_meta = !strcasecmp("meta", md.token_data);
  			} else if (tok_last == TOK_SLASH && in_tag) {
  				if (strcasecmp("head", md.token_data) == 0) {
  					/* We are done here! */
  					done = 1;
  				}
  			} else if (tok_last == TOK_EQUAL && looking_for_val) {
  				if (saw_name) {
  					if (name) efree(name);
  					/* Get the NAME attr (Single word attr, non-quoted) */
  					temp = name = estrndup(md.token_data, md.token_len);
  
  					while (temp && *temp) {
  						if (strchr(PHP_META_UNSAFE, *temp)) {
  							*temp = '_';
  						}
  						temp++;
  					}
  
  					have_name = 1;
  				} else if (saw_content) {
  					if (value) efree(value);
  					value = estrndup(md.token_data, md.token_len);
  					have_content = 1;
  				}
  
  				looking_for_val = 0;
  			} else {
  				if (md.in_meta) {
  					if (strcasecmp("name", md.token_data) == 0) {
  						saw_name = 1;
  						saw_content = 0;
  						looking_for_val = 1;
  					} else if (strcasecmp("content", md.token_data) == 0) {
  						saw_name = 0;
  						saw_content = 1;
  						looking_for_val = 1;
  					}
  				}
  			}
  		} else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) {
  			if (saw_name) {
  				if (name) efree(name);
  				/* Get the NAME attr (Quoted single/double) */
  				temp = name = estrndup(md.token_data, md.token_len);
  
  				while (temp && *temp) {
  					if (strchr(PHP_META_UNSAFE, *temp)) {
  						*temp = '_';
  					}
  					temp++;
  				}
  
  				have_name = 1;
  			} else if (saw_content) {
  				if (value) efree(value);
  				value = estrndup(md.token_data, md.token_len);
  				have_content = 1;
  			}
  
  			looking_for_val = 0;
  		} else if (tok == TOK_OPENTAG) {
  			if (looking_for_val) {
  				looking_for_val = 0;
  				have_name = saw_name = 0;
  				have_content = saw_content = 0;
  			}
  			in_tag = 1;
  		} else if (tok == TOK_CLOSETAG) {
  			if (have_name) {
  				/* For BC */
  				php_strtolower(name, strlen(name));
  				if (have_content) {
  					add_assoc_string(return_value, name, value);
  				} else {
  					add_assoc_string(return_value, name, "");
  				}
  
  				efree(name);
  				if (value) efree(value);
  			} else if (have_content) {
  				efree(value);
  			}
  
  			name = value = NULL;
  
  			/* Reset all of our flags */
  			in_tag = looking_for_val = 0;
  			have_name = saw_name = 0;
  			have_content = saw_content = 0;
  			md.in_meta = 0;
  		}
  
  		tok_last = tok;
  
  		if (md.token_data)
  			efree(md.token_data);
  
  		md.token_data = NULL;
  	}
  
  	if (value) efree(value);
  	if (name) efree(name);
  	php_stream_close(md.stream);
  }
  /* }}} */
  
  /* {{{ proto string file_get_contents(string filename [, bool use_include_path [, resource context [, long offset [, long maxlen]]]])
     Read the entire file into a string */
  PHP_FUNCTION(file_get_contents)
  {
  	char *filename;
  	size_t filename_len;
  	zend_bool use_include_path = 0;
  	php_stream *stream;
  	zend_long offset = -1;
  	zend_long maxlen = PHP_STREAM_COPY_ALL;
  	zval *zcontext = NULL;
  	php_stream_context *context = NULL;
  	zend_string *contents;
  
  	/* Parse arguments */
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) {
  		return;
  	}
  
  	if (ZEND_NUM_ARGS() == 5 && maxlen < 0) {
  		php_error_docref(NULL, E_WARNING, "length must be greater than or equal to zero");
  		RETURN_FALSE;
  	}
  
  	context = php_stream_context_from_zval(zcontext, 0);
  
  	stream = php_stream_open_wrapper_ex(filename, "rb",
  				(use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
  				NULL, context);
  	if (!stream) {
  		RETURN_FALSE;
  	}
  
  	if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) {
  		php_error_docref(NULL, E_WARNING, "Failed to seek to position " ZEND_LONG_FMT " in the stream", offset);
  		php_stream_close(stream);
  		RETURN_FALSE;
  	}
  
  	if (maxlen > INT_MAX) {
  		php_error_docref(NULL, E_WARNING, "maxlen truncated from %pd to %d bytes", maxlen, INT_MAX);
  		maxlen = INT_MAX;
  	}
  	if ((contents = php_stream_copy_to_mem(stream, maxlen, 0)) != NULL) {
  		RETVAL_STR(contents);
  	} else {
  		RETVAL_EMPTY_STRING();
  	}
  
  	php_stream_close(stream);
  }
  /* }}} */
  
  /* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]])
     Write/Create a file with contents data and return the number of bytes written */
  PHP_FUNCTION(file_put_contents)
  {
  	php_stream *stream;
  	char *filename;
  	size_t filename_len;
  	zval *data;
  	zend_long numbytes = 0;
  	zend_long flags = 0;
  	zval *zcontext = NULL;
  	php_stream_context *context = NULL;
  	php_stream *srcstream = NULL;
  	char mode[3] = "wb";
  	char ret_ok = 1;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "pz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) {
  		return;
  	}
  
  	if (Z_TYPE_P(data) == IS_RESOURCE) {
  		php_stream_from_zval(srcstream, data);
  	}
  
  	context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
  
  	if (flags & PHP_FILE_APPEND) {
  		mode[0] = 'a';
  	} else if (flags & LOCK_EX) {
  		/* check to make sure we are dealing with a regular file */
  		if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
  			if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
  				php_error_docref(NULL, E_WARNING, "Exclusive locks may only be set for regular files");
  				RETURN_FALSE;
  			}
  		}
  		mode[0] = 'c';
  	}
  	mode[2] = '\0';
  
  	stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
  	if (stream == NULL) {
  		RETURN_FALSE;
  	}
  
  	if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
  		php_stream_close(stream);
  		php_error_docref(NULL, E_WARNING, "Exclusive locks are not supported for this stream");
  		RETURN_FALSE;
  	}
  
  	if (mode[0] == 'c') {
  		php_stream_truncate_set_size(stream, 0);
  	}
  
  	switch (Z_TYPE_P(data)) {
  		case IS_RESOURCE: {
  			size_t len;
  			if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
  				ret_ok = 0;
  			} else {
  				if (len > ZEND_LONG_MAX) {
  					php_error_docref(NULL, E_WARNING, "content truncated from %zu to " ZEND_LONG_FMT " bytes", len, ZEND_LONG_MAX);
  					len = ZEND_LONG_MAX;
  				}
  				numbytes = len;
  			}
  			break;
  		}
  		case IS_NULL:
  		case IS_LONG:
  		case IS_DOUBLE:
  		case IS_FALSE:
  		case IS_TRUE:
  			convert_to_string_ex(data);
  
  		case IS_STRING:
  			if (Z_STRLEN_P(data)) {
  				numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
  				if (numbytes != Z_STRLEN_P(data)) {
  					php_error_docref(NULL, E_WARNING, "Only %pl of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data));
  					numbytes = -1;
  				}
  			}
  			break;
  
  		case IS_ARRAY:
  			if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
  				size_t bytes_written;
  				zval *tmp;
  
  				ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(data), tmp) {
  					zend_string *str = zval_get_string(tmp);
  					if (str->len) {
  						numbytes += str->len;
  						bytes_written = php_stream_write(stream, str->val, str->len);
  						if (bytes_written != str->len) {
  							php_error_docref(NULL, E_WARNING, "Failed to write %zd bytes to %s", str->len, filename);
  							ret_ok = 0;
  							zend_string_release(str);
  							break;
  						}
  					}
  					zend_string_release(str);
  				} ZEND_HASH_FOREACH_END();
  			}
  			break;
  
  		case IS_OBJECT:
  			if (Z_OBJ_HT_P(data) != NULL) {
  				zval out;
  
  				if (zend_std_cast_object_tostring(data, &out, IS_STRING) == SUCCESS) {
  					numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
  					if (numbytes != Z_STRLEN(out)) {
  						php_error_docref(NULL, E_WARNING, "Only %pd of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
  						numbytes = -1;
  					}
  					zval_dtor(&out);
  					break;
  				}
  			}
  		default:
  			ret_ok = 0;
  			break;
  	}
  	php_stream_close(stream);
  
  	if (!ret_ok) {
  		RETURN_FALSE;
  	}
  
  	RETURN_LONG(numbytes);
  }
  /* }}} */
  
  #define PHP_FILE_BUF_SIZE	80
  
  /* {{{ proto array file(string filename [, int flags[, resource context]])
     Read entire file into an array */
  PHP_FUNCTION(file)
  {
  	char *filename;
  	size_t filename_len;
  	char *p, *s, *e;
  	register int i = 0;
  	char eol_marker = '\n';
  	zend_long flags = 0;
  	zend_bool use_include_path;
  	zend_bool include_new_line;
  	zend_bool skip_blank_lines;
  	php_stream *stream;
  	zval *zcontext = NULL;
  	php_stream_context *context = NULL;
  	zend_string *target_buf;
  
  	/* Parse arguments */
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) {
  		return;
  	}
  	if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
  		php_error_docref(NULL, E_WARNING, "'" ZEND_LONG_FMT "' flag is not supported", flags);
  		RETURN_FALSE;
  	}
  
  	use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
  	include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
  	skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;
  
  	context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
  
  	stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
  	if (!stream) {
  		RETURN_FALSE;
  	}
  
  	/* Initialize return array */
  	array_init(return_value);
  
  	if ((target_buf = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0)) != NULL) {
  		s = target_buf->val;
  		e = target_buf->val + target_buf->len;
  
  		if (!(p = (char*)php_stream_locate_eol(stream, target_buf))) {
  			p = e;
  			goto parse_eol;
  		}
  
  		if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
  			eol_marker = '\r';
  		}
  
  		/* for performance reasons the code is duplicated, so that the if (include_new_line)
  		 * will not need to be done for every single line in the file. */
  		if (include_new_line) {
  			do {
  				p++;
  parse_eol:
  				add_index_stringl(return_value, i++, s, p-s);
  				s = p;
  			} while ((p = memchr(p, eol_marker, (e-p))));
  		} else {
  			do {
  				int windows_eol = 0;
  				if (p != target_buf->val && eol_marker == '\n' && *(p - 1) == '\r') {
  					windows_eol++;
  				}
  				if (skip_blank_lines && !(p-s-windows_eol)) {
  					s = ++p;
  					continue;
  				}
  				add_index_stringl(return_value, i++, s, p-s-windows_eol);
  				s = ++p;
  			} while ((p = memchr(p, eol_marker, (e-p))));
  		}
  
  		/* handle any left overs of files without new lines */
  		if (s != e) {
  			p = e;
  			goto parse_eol;
  		}
  	}
  
  	if (target_buf) {
  		zend_string_free(target_buf);
  	}
  	php_stream_close(stream);
  }
  /* }}} */
  
  /* {{{ proto string tempnam(string dir, string prefix)
     Create a unique filename in a directory */
  PHP_FUNCTION(tempnam)
  {
  	char *dir, *prefix;
  	size_t dir_len, prefix_len;
  	char *opened_path;
  	int fd;
  	zend_string *p;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) {
  		return;
  	}
  
  	if (php_check_open_basedir(dir)) {
  		RETURN_FALSE;
  	}
  
  	p = php_basename(prefix, prefix_len, NULL, 0);
  	if (p->len > 64) {
  		p->val[63] = '\0';
  	}
  
  	RETVAL_FALSE;
  
  	if ((fd = php_open_temporary_fd_ex(dir, p->val, &opened_path, 1)) >= 0) {
  		close(fd);
  		// TODO: avoid reallocation ???
  		RETVAL_STRING(opened_path);
  		efree(opened_path);
  	}
  	zend_string_release(p);
  }
  /* }}} */
  
  /* {{{ proto resource tmpfile(void)
     Create a temporary file that will be deleted automatically after use */
  PHP_NAMED_FUNCTION(php_if_tmpfile)
  {
  	php_stream *stream;
  
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  
  	stream = php_stream_fopen_tmpfile();
  
  	if (stream) {
  		php_stream_to_zval(stream, return_value);
  	} else {
  		RETURN_FALSE;
  	}
  }
  /* }}} */
  
  /* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
     Open a file or a URL and return a file pointer */
  PHP_NAMED_FUNCTION(php_if_fopen)
  {
  	char *filename, *mode;
  	size_t filename_len, mode_len;
  	zend_bool use_include_path = 0;
  	zval *zcontext = NULL;
  	php_stream *stream;
  	php_stream_context *context = NULL;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	context = php_stream_context_from_zval(zcontext, 0);
  
  	stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
  
  	if (stream == NULL) {
  		RETURN_FALSE;
  	}
  
  	php_stream_to_zval(stream, return_value);
  }
  /* }}} */
  
  /* {{{ proto bool fclose(resource fp)
     Close an open file pointer */
  PHPAPI PHP_FUNCTION(fclose)
  {
  	zval *res;
  	php_stream *stream;
  
  #ifndef FAST_ZPP
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
  		RETURN_FALSE;
  	}
  #else
  	ZEND_PARSE_PARAMETERS_START(1, 1)
  		Z_PARAM_RESOURCE(res)
  	ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
  #endif
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
  		php_error_docref(NULL, E_WARNING, "%pd is not a valid stream resource", stream->res->handle);
  		RETURN_FALSE;
  	}
  
  	if (!stream->is_persistent) {
  		php_stream_close(stream);
  	} else {
  		php_stream_pclose(stream);
  	}
  
  	RETURN_TRUE;
  }
  /* }}} */
  
  /* {{{ proto resource popen(string command, string mode)
     Execute a command and open either a read or a write pipe to it */
  PHP_FUNCTION(popen)
  {
  	char *command, *mode;
  	size_t command_len, mode_len;
  	FILE *fp;
  	php_stream *stream;
  	char *posix_mode;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps", &command, &command_len, &mode, &mode_len) == FAILURE) {
  		return;
  	}
  
  	posix_mode = estrndup(mode, mode_len);
  #ifndef PHP_WIN32
  	{
  		char *z = memchr(posix_mode, 'b', mode_len);
  		if (z) {
  			memmove(z, z + 1, mode_len - (z - posix_mode));
  		}
  	}
  #endif
  
  	fp = VCWD_POPEN(command, posix_mode);
  	if (!fp) {
  		php_error_docref2(NULL, command, posix_mode, E_WARNING, "%s", strerror(errno));
  		efree(posix_mode);
  		RETURN_FALSE;
  	}
  
  	stream = php_stream_fopen_from_pipe(fp, mode);
  
  	if (stream == NULL)	{
  		php_error_docref2(NULL, command, mode, E_WARNING, "%s", strerror(errno));
  		RETVAL_FALSE;
  	} else {
  		php_stream_to_zval(stream, return_value);
  	}
  
  	efree(posix_mode);
  }
  /* }}} */
  
  /* {{{ proto int pclose(resource fp)
     Close a file pointer opened by popen() */
  PHP_FUNCTION(pclose)
  {
  	zval *res;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	FG(pclose_wait) = 1;
  	zend_list_close(stream->res);
  	FG(pclose_wait) = 0;
  	RETURN_LONG(FG(pclose_ret));
  }
  /* }}} */
  
  /* {{{ proto bool feof(resource fp)
     Test for end-of-file on a file pointer */
  PHPAPI PHP_FUNCTION(feof)
  {
  	zval *res;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	if (php_stream_eof(stream)) {
  		RETURN_TRUE;
  	} else {
  		RETURN_FALSE;
  	}
  }
  /* }}} */
  
  /* {{{ proto string fgets(resource fp[, int length])
     Get a line from file pointer */
  PHPAPI PHP_FUNCTION(fgets)
  {
  	zval *res;
  	zend_long len = 1024;
  	char *buf = NULL;
  	int argc = ZEND_NUM_ARGS();
  	size_t line_len = 0;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &res, &len) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	if (argc == 1) {
  		/* ask streams to give us a buffer of an appropriate size */
  		buf = php_stream_get_line(stream, NULL, 0, &line_len);
  		if (buf == NULL) {
  			goto exit_failed;
  		}
  	} else if (argc > 1) {
  		if (len <= 0) {
  			php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
  			RETURN_FALSE;
  		}
  
  		buf = ecalloc(len + 1, sizeof(char));
  		if (php_stream_get_line(stream, buf, len, &line_len) == NULL) {
  			goto exit_failed;
  		}
  	}
  
  	/* resize buffer if it's much larger than the result.
  	 * Only needed if the user requested a buffer size. */
  //??	if (argc > 1 && line_len < len / 2) {
  //???
  		ZVAL_STRINGL(return_value, buf, line_len);
  		efree(buf);
  //??	} else {
  //???
  //???		ZVAL_STRINGL(return_value, buf, line_len);
  //???	efree(buf);
  //???	}
  	return;
  
  exit_failed:
  	RETVAL_FALSE;
  	if (buf) {
  		efree(buf);
  	}
  }
  /* }}} */
  
  /* {{{ proto string fgetc(resource fp)
     Get a character from file pointer */
  PHPAPI PHP_FUNCTION(fgetc)
  {
  	zval *res;
  	char buf[2];
  	int result;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	result = php_stream_getc(stream);
  
  	if (result == EOF) {
  		RETVAL_FALSE;
  	} else {
  		buf[0] = result;
  		buf[1] = '\0';
  
  		RETURN_STRINGL(buf, 1);
  	}
  }
  /* }}} */
  
  /* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]])
     Get a line from file pointer and strip HTML tags */
  PHPAPI PHP_FUNCTION(fgetss)
  {
  	zval *fd;
  	zend_long bytes = 0;
  	size_t len = 0;
  	size_t actual_len, retval_len;
  	char *buf = NULL, *retval;
  	php_stream *stream;
  	zend_string *allowed = NULL;
  	char *allowed_tags=NULL;
  	size_t allowed_tags_len=0;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|lS", &fd, &bytes, &allowed) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, fd);
  
  	if (ZEND_NUM_ARGS() >= 2) {
  		if (bytes <= 0) {
  			php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
  			RETURN_FALSE;
  		}
  
  		len = (size_t) bytes;
  		buf = safe_emalloc(sizeof(char), (len + 1), 0);
  		/*needed because recv doesnt set null char at end*/
  		memset(buf, 0, len + 1);
  	}
  
  	if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL)	{
  		if (buf != NULL) {
  			efree(buf);
  		}
  		RETURN_FALSE;
  	}
  
  	if (allowed != NULL) {
  // TODO: reimplement to avoid reallocation ???
  		if (IS_INTERNED(allowed)) {
  			allowed_tags = estrndup(allowed->val, allowed->len);
  			allowed_tags_len = allowed->len;
  		} else {
  			allowed_tags = allowed->val;
  			allowed_tags_len = allowed->len;
  		}
  	}
  
  	retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len);
  
  // TODO: reimplement to avoid reallocation ???
  	if (allowed && IS_INTERNED(allowed)) {
  		efree(allowed_tags);
  	}
  
  	// TODO: avoid reallocation ???
  	RETVAL_STRINGL(retval, retval_len);
  	efree(retval);
  }
  /* }}} */
  
  /* {{{ proto mixed fscanf(resource stream, string format [, string ...])
     Implements a mostly ANSI compatible fscanf() */
  PHP_FUNCTION(fscanf)
  {
  	int result, argc = 0;
  	size_t format_len;
  	zval *args = NULL;
  	zval *file_handle;
  	char *buf, *format;
  	size_t len;
  	void *what;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) {
  		return;
  	}
  
  	what = zend_fetch_resource2(Z_RES_P(file_handle), "File-Handle", php_file_le_stream(), php_file_le_pstream());
  
  	/* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
  	 * with a leak if we have an invalid filehandle. This needs changing
  	 * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
  	if (!what) {
  		RETURN_FALSE;
  	}
  
  	buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
  	if (buf == NULL) {
  		RETURN_FALSE;
  	}
  
  	result = php_sscanf_internal(buf, format, argc, args, 0, return_value);
  
  	efree(buf);
  
  	if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
  		WRONG_PARAM_COUNT;
  	}
  }
  /* }}} */
  
  /* {{{ proto int fwrite(resource fp, string str [, int length])
     Binary-safe file write */
  PHPAPI PHP_FUNCTION(fwrite)
  {
  	zval *res;
  	char *input;
  	size_t inputlen;
  	size_t ret;
  	size_t num_bytes;
  	zend_long maxlen = 0;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs|l", &res, &input, &inputlen, &maxlen) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	if (ZEND_NUM_ARGS() == 2) {
  		num_bytes = inputlen;
  	} else if (maxlen <= 0) {
  		num_bytes = 0;
  	} else {
  		num_bytes = MIN((size_t) maxlen, inputlen);
  	}
  
  	if (!num_bytes) {
  		RETURN_LONG(0);
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	ret = php_stream_write(stream, input, num_bytes);
  
  	RETURN_LONG(ret);
  }
  /* }}} */
  
  /* {{{ proto bool fflush(resource fp)
     Flushes output */
  PHPAPI PHP_FUNCTION(fflush)
  {
  	zval *res;
  	int ret;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	ret = php_stream_flush(stream);
  	if (ret) {
  		RETURN_FALSE;
  	}
  	RETURN_TRUE;
  }
  /* }}} */
  
  /* {{{ proto bool rewind(resource fp)
     Rewind the position of a file pointer */
  PHPAPI PHP_FUNCTION(rewind)
  {
  	zval *res;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	if (-1 == php_stream_rewind(stream)) {
  		RETURN_FALSE;
  	}
  	RETURN_TRUE;
  }
  /* }}} */
  
  /* {{{ proto int ftell(resource fp)
     Get file pointer's read/write position */
  PHPAPI PHP_FUNCTION(ftell)
  {
  	zval *res;
  	zend_long ret;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	ret = php_stream_tell(stream);
  	if (ret == -1)	{
  		RETURN_FALSE;
  	}
  	RETURN_LONG(ret);
  }
  /* }}} */
  
  /* {{{ proto int fseek(resource fp, int offset [, int whence])
     Seek on a file pointer */
  PHPAPI PHP_FUNCTION(fseek)
  {
  	zval *res;
  	zend_long offset, whence = SEEK_SET;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|l", &res, &offset, &whence) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	RETURN_LONG(php_stream_seek(stream, offset, (int) whence));
  }
  /* }}} */
  
  /* {{{ php_mkdir
  */
  
  /* DEPRECATED APIs: Use php_stream_mkdir() instead */
  PHPAPI int php_mkdir_ex(const char *dir, zend_long mode, int options)
  {
  	int ret;
  
  	if (php_check_open_basedir(dir)) {
  		return -1;
  	}
  
  	if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
  		php_error_docref(NULL, E_WARNING, "%s", strerror(errno));
  	}
  
  	return ret;
  }
  
  PHPAPI int php_mkdir(const char *dir, zend_long mode)
  {
  	return php_mkdir_ex(dir, mode, REPORT_ERRORS);
  }
  /* }}} */
  
  /* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
     Create a directory */
  PHP_FUNCTION(mkdir)
  {
  	char *dir;
  	size_t dir_len;
  	zval *zcontext = NULL;
  	zend_long mode = 0777;
  	zend_bool recursive = 0;
  	php_stream_context *context;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	context = php_stream_context_from_zval(zcontext, 0);
  
  	RETURN_BOOL(php_stream_mkdir(dir, (int)mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
  }
  /* }}} */
  
  /* {{{ proto bool rmdir(string dirname[, resource context])
     Remove a directory */
  PHP_FUNCTION(rmdir)
  {
  	char *dir;
  	size_t dir_len;
  	zval *zcontext = NULL;
  	php_stream_context *context;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|r", &dir, &dir_len, &zcontext) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	context = php_stream_context_from_zval(zcontext, 0);
  
  	RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
  }
  /* }}} */
  
  /* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
     Output a file or a URL */
  PHP_FUNCTION(readfile)
  {
  	char *filename;
  	size_t filename_len;
  	size_t size = 0;
  	zend_bool use_include_path = 0;
  	zval *zcontext = NULL;
  	php_stream *stream;
  	php_stream_context *context = NULL;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	context = php_stream_context_from_zval(zcontext, 0);
  
  	stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
  	if (stream) {
  		size = php_stream_passthru(stream);
  		php_stream_close(stream);
  		RETURN_LONG(size);
  	}
  
  	RETURN_FALSE;
  }
  /* }}} */
  
  /* {{{ proto int umask([int mask])
     Return or change the umask */
  PHP_FUNCTION(umask)
  {
  	zend_long mask = 0;
  	int oldumask;
  
  	oldumask = umask(077);
  
  	if (BG(umask) == -1) {
  		BG(umask) = oldumask;
  	}
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &mask) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	if (ZEND_NUM_ARGS() == 0) {
  		umask(oldumask);
  	} else {
  		umask((int) mask);
  	}
  
  	RETURN_LONG(oldumask);
  }
  /* }}} */
  
  /* {{{ proto int fpassthru(resource fp)
     Output all remaining data from a file pointer */
  PHPAPI PHP_FUNCTION(fpassthru)
  {
  	zval *res;
  	size_t size;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	size = php_stream_passthru(stream);
  	RETURN_LONG(size);
  }
  /* }}} */
  
  /* {{{ proto bool rename(string old_name, string new_name[, resource context])
     Rename a file */
  PHP_FUNCTION(rename)
  {
  	char *old_name, *new_name;
  	size_t old_name_len, new_name_len;
  	zval *zcontext = NULL;
  	php_stream_wrapper *wrapper;
  	php_stream_context *context;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0);
  
  	if (!wrapper || !wrapper->wops) {
  		php_error_docref(NULL, E_WARNING, "Unable to locate stream wrapper");
  		RETURN_FALSE;
  	}
  
  	if (!wrapper->wops->rename) {
  		php_error_docref(NULL, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
  		RETURN_FALSE;
  	}
  
  	if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0)) {
  		php_error_docref(NULL, E_WARNING, "Cannot rename a file across wrapper types");
  		RETURN_FALSE;
  	}
  
  	context = php_stream_context_from_zval(zcontext, 0);
  
  	RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context));
  }
  /* }}} */
  
  /* {{{ proto bool unlink(string filename[, context context])
     Delete a file */
  PHP_FUNCTION(unlink)
  {
  	char *filename;
  	size_t filename_len;
  	php_stream_wrapper *wrapper;
  	zval *zcontext = NULL;
  	php_stream_context *context = NULL;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	context = php_stream_context_from_zval(zcontext, 0);
  
  	wrapper = php_stream_locate_url_wrapper(filename, NULL, 0);
  
  	if (!wrapper || !wrapper->wops) {
  		php_error_docref(NULL, E_WARNING, "Unable to locate stream wrapper");
  		RETURN_FALSE;
  	}
  
  	if (!wrapper->wops->unlink) {
  		php_error_docref(NULL, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
  		RETURN_FALSE;
  	}
  	RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context));
  }
  /* }}} */
  
  /* {{{ proto bool ftruncate(resource fp, int size)
     Truncate file to 'size' length */
  PHP_NAMED_FUNCTION(php_if_ftruncate)
  {
  	zval *fp;
  	zend_long size;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &fp, &size) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, fp);
  
  	if (!php_stream_truncate_supported(stream)) {
  		php_error_docref(NULL, E_WARNING, "Can't truncate this stream!");
  		RETURN_FALSE;
  	}
  
  	RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
  }
  /* }}} */
  
  /* {{{ proto array fstat(resource fp)
     Stat() on a filehandle */
  PHP_NAMED_FUNCTION(php_if_fstat)
  {
  	zval *fp;
  	zval stat_dev, stat_ino, stat_mode, stat_nlink, stat_uid, stat_gid, stat_rdev,
  		 stat_size, stat_atime, stat_mtime, stat_ctime, stat_blksize, stat_blocks;
  	php_stream *stream;
  	php_stream_statbuf stat_ssb;
  	char *stat_sb_names[13] = {
  		"dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
  		"size", "atime", "mtime", "ctime", "blksize", "blocks"
  	};
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &fp) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, fp);
  
  	if (php_stream_stat(stream, &stat_ssb)) {
  		RETURN_FALSE;
  	}
  
  	array_init(return_value);
  
  	ZVAL_LONG(&stat_dev, stat_ssb.sb.st_dev);
  	ZVAL_LONG(&stat_ino, stat_ssb.sb.st_ino);
  	ZVAL_LONG(&stat_mode, stat_ssb.sb.st_mode);
  	ZVAL_LONG(&stat_nlink, stat_ssb.sb.st_nlink);
  	ZVAL_LONG(&stat_uid, stat_ssb.sb.st_uid);
  	ZVAL_LONG(&stat_gid, stat_ssb.sb.st_gid);
  #ifdef HAVE_ST_RDEV
  # ifdef PHP_WIN32
  	/* It is unsigned, so if a negative came from userspace, it'll
  	   convert to UINT_MAX, but we wan't to keep the userspace value.
  	   Almost the same as in php_fstat. This is ugly, but otherwise
  	   we would have to maintain a fully compatible struct stat. */
  	if ((int)stat_ssb.sb.st_rdev < 0) {
  		ZVAL_LONG(&stat_rdev, (int)stat_ssb.sb.st_rdev);
  	} else {
  		ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
  	}
  # else
  	ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
  # endif
  #else
  	ZVAL_LONG(&stat_rdev, -1);
  #endif
  	ZVAL_LONG(&stat_size, stat_ssb.sb.st_size);
  	ZVAL_LONG(&stat_atime, stat_ssb.sb.st_atime);
  	ZVAL_LONG(&stat_mtime, stat_ssb.sb.st_mtime);
  	ZVAL_LONG(&stat_ctime, stat_ssb.sb.st_ctime);
  #ifdef HAVE_ST_BLKSIZE
  	ZVAL_LONG(&stat_blksize, stat_ssb.sb.st_blksize);
  #else
  	ZVAL_LONG(&stat_blksize,-1);
  #endif
  #ifdef HAVE_ST_BLOCKS
  	ZVAL_LONG(&stat_blocks, stat_ssb.sb.st_blocks);
  #else
  	ZVAL_LONG(&stat_blocks,-1);
  #endif
  	/* Store numeric indexes in proper order */
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_dev);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_ino);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_mode);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_nlink);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_uid);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_gid);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_rdev);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_size);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_atime);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_mtime);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_ctime);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_blksize);
  	zend_hash_next_index_insert(HASH_OF(return_value), &stat_blocks);
  
  	/* Store string indexes referencing the same zval*/
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0]), &stat_dev);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1]), &stat_ino);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2]), &stat_mode);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3]), &stat_nlink);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4]), &stat_uid);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5]), &stat_gid);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6]), &stat_rdev);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7]), &stat_size);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8]), &stat_atime);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9]), &stat_mtime);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10]), &stat_ctime);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11]), &stat_blksize);
  	zend_hash_str_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12]), &stat_blocks);
  }
  /* }}} */
  
  /* {{{ proto bool copy(string source_file, string destination_file [, resource context])
     Copy a file */
  PHP_FUNCTION(copy)
  {
  	char *source, *target;
  	size_t source_len, target_len;
  	zval *zcontext = NULL;
  	php_stream_context *context;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
  		return;
  	}
  
  	if (php_check_open_basedir(source)) {
  		RETURN_FALSE;
  	}
  
  	context = php_stream_context_from_zval(zcontext, 0);
  
  	if (php_copy_file_ctx(source, target, 0, context) == SUCCESS) {
  		RETURN_TRUE;
  	} else {
  		RETURN_FALSE;
  	}
  }
  /* }}} */
  
  /* {{{ php_copy_file
   */
  PHPAPI int php_copy_file(const char *src, const char *dest)
  {
  	return php_copy_file_ctx(src, dest, 0, NULL);
  }
  /* }}} */
  
  /* {{{ php_copy_file_ex
   */
  PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg)
  {
  	return php_copy_file_ctx(src, dest, 0, NULL);
  }
  /* }}} */
  
  /* {{{ php_copy_file_ctx
   */
  PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx)
  {
  	php_stream *srcstream = NULL, *deststream = NULL;
  	int ret = FAILURE;
  	php_stream_statbuf src_s, dest_s;
  
  	switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
  		case -1:
  			/* non-statable stream */
  			goto safe_to_copy;
  			break;
  		case 0:
  			break;
  		default: /* failed to stat file, does not exist? */
  			return ret;
  	}
  	if (S_ISDIR(src_s.sb.st_mode)) {
  		php_error_docref(NULL, E_WARNING, "The first argument to copy() function cannot be a directory");
  		return FAILURE;
  	}
  
  	switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET | PHP_STREAM_URL_STAT_NOCACHE, &dest_s, ctx)) {
  		case -1:
  			/* non-statable stream */
  			goto safe_to_copy;
  			break;
  		case 0:
  			break;
  		default: /* failed to stat file, does not exist? */
  			return ret;
  	}
  	if (S_ISDIR(dest_s.sb.st_mode)) {
  		php_error_docref(NULL, E_WARNING, "The second argument to copy() function cannot be a directory");
  		return FAILURE;
  	}
  	if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
  		goto no_stat;
  	}
  	if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
  		return ret;
  	} else {
  		goto safe_to_copy;
  	}
  no_stat:
  	{
  		char *sp, *dp;
  		int res;
  
  		if ((sp = expand_filepath(src, NULL)) == NULL) {
  			return ret;
  		}
  		if ((dp = expand_filepath(dest, NULL)) == NULL) {
  			efree(sp);
  			goto safe_to_copy;
  		}
  
  		res =
  #ifndef PHP_WIN32
  			!strcmp(sp, dp);
  #else
  			!strcasecmp(sp, dp);
  #endif
  
  		efree(sp);
  		efree(dp);
  		if (res) {
  			return ret;
  		}
  	}
  safe_to_copy:
  
  	srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
  
  	if (!srcstream) {
  		return ret;
  	}
  
  	deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
  
  	if (srcstream && deststream) {
  		ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
  	}
  	if (srcstream) {
  		php_stream_close(srcstream);
  	}
  	if (deststream) {
  		php_stream_close(deststream);
  	}
  	return ret;
  }
  /* }}} */
  
  /* {{{ proto string fread(resource fp, int length)
     Binary-safe file read */
  PHPAPI PHP_FUNCTION(fread)
  {
  	zval *res;
  	zend_long len;
  	php_stream *stream;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &res, &len) == FAILURE) {
  		RETURN_FALSE;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, res);
  
  	if (len <= 0) {
  		php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
  		RETURN_FALSE;
  	}
  
  	ZVAL_NEW_STR(return_value, zend_string_alloc(len, 0));
  	Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
  
  	/* needed because recv/read/gzread doesnt put a null at the end*/
  	Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
  }
  /* }}} */
  
  static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter) /* {{{ */
  {
  	int inc_len;
  	unsigned char last_chars[2] = { 0, 0 };
  
  	while (len > 0) {
  		inc_len = (*ptr == '\0' ? 1 : php_mblen(ptr, len));
  		switch (inc_len) {
  			case -2:
  			case -1:
  				inc_len = 1;
  				php_mb_reset();
  				break;
  			case 0:
  				goto quit_loop;
  			case 1:
  			default:
  				last_chars[0] = last_chars[1];
  				last_chars[1] = *ptr;
  				break;
  		}
  		ptr += inc_len;
  		len -= inc_len;
  	}
  quit_loop:
  	switch (last_chars[1]) {
  		case '\n':
  			if (last_chars[0] == '\r') {
  				return ptr - 2;
  			}
  			/* break is omitted intentionally */
  		case '\r':
  			return ptr - 1;
  	}
  	return ptr;
  }
  /* }}} */
  
  #define FPUTCSV_FLD_CHK(c) memchr(field_str->val, c, field_str->len)
  
  /* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
     Format line as CSV and write to file pointer */
  PHP_FUNCTION(fputcsv)
  {
  	char delimiter = ',';	 /* allow this to be set as parameter */
  	char enclosure = '"';	 /* allow this to be set as parameter */
  	char escape_char = '\\'; /* allow this to be set as parameter */
  	php_stream *stream;
  	zval *fp = NULL, *fields = NULL;
  	size_t ret;
  	char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
  	size_t delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "ra|sss",
  			&fp, &fields, &delimiter_str, &delimiter_str_len,
  			&enclosure_str, &enclosure_str_len,
  			&escape_str, &escape_str_len) == FAILURE) {
  		return;
  	}
  
  	if (delimiter_str != NULL) {
  		/* Make sure that there is at least one character in string */
  		if (delimiter_str_len < 1) {
  			php_error_docref(NULL, E_WARNING, "delimiter must be a character");
  			RETURN_FALSE;
  		} else if (delimiter_str_len > 1) {
  			php_error_docref(NULL, E_NOTICE, "delimiter must be a single character");
  		}
  
  		/* use first character from string */
  		delimiter = *delimiter_str;
  	}
  
  	if (enclosure_str != NULL) {
  		if (enclosure_str_len < 1) {
  			php_error_docref(NULL, E_WARNING, "enclosure must be a character");
  			RETURN_FALSE;
  		} else if (enclosure_str_len > 1) {
  			php_error_docref(NULL, E_NOTICE, "enclosure must be a single character");
  		}
  		/* use first character from string */
  		enclosure = *enclosure_str;
  	}
  
  	if (escape_str != NULL) {
  		if (escape_str_len < 1) {
  			php_error_docref(NULL, E_WARNING, "escape must be a character");
  			RETURN_FALSE;
  		} else if (escape_str_len > 1) {
  			php_error_docref(NULL, E_NOTICE, "escape must be a single character");
  		}
  		/* use first character from string */
  		escape_char = *escape_str;
  	}
  
  	PHP_STREAM_TO_ZVAL(stream, fp);
  
  	ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char);
  	RETURN_LONG(ret);
  }
  /* }}} */
  
  /* {{{ PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char) */
  PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char)
  {
  	int count, i = 0;
  	size_t ret;
  	zval *field_tmp;
  	smart_str csvline = {0};
  
  	count = zend_hash_num_elements(Z_ARRVAL_P(fields));
  	ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(fields), field_tmp) {
  		zend_string *field_str = zval_get_string(field_tmp);
  
  		/* enclose a field that contains a delimiter, an enclosure character, or a newline */
  		if (FPUTCSV_FLD_CHK(delimiter) ||
  			FPUTCSV_FLD_CHK(enclosure) ||
  			FPUTCSV_FLD_CHK(escape_char) ||
  			FPUTCSV_FLD_CHK('\n') ||
  			FPUTCSV_FLD_CHK('\r') ||
  			FPUTCSV_FLD_CHK('\t') ||
  			FPUTCSV_FLD_CHK(' ')
  		) {
  			char *ch = field_str->val;
  			char *end = ch + field_str->len;
  			int escaped = 0;
  
  			smart_str_appendc(&csvline, enclosure);
  			while (ch < end) {
  				if (*ch == escape_char) {
  					escaped = 1;
  				} else if (!escaped && *ch == enclosure) {
  					smart_str_appendc(&csvline, enclosure);
  				} else {
  					escaped = 0;
  				}
  				smart_str_appendc(&csvline, *ch);
  				ch++;
  			}
  			smart_str_appendc(&csvline, enclosure);
  		} else {
  			smart_str_append(&csvline, field_str);
  		}
  
  		if (++i != count) {
  			smart_str_appendl(&csvline, &delimiter, 1);
  		}
  		zend_string_release(field_str);
  	} ZEND_HASH_FOREACH_END();
  
  	smart_str_appendc(&csvline, '\n');
  	smart_str_0(&csvline);
  
  	ret = php_stream_write(stream, csvline.s->val, csvline.s->len);
  
  	smart_str_free(&csvline);
  
  	return ret;
  }
  /* }}} */
  
  /* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
     Get line from file pointer and parse for CSV fields */
  PHP_FUNCTION(fgetcsv)
  {
  	char delimiter = ',';	/* allow this to be set as parameter */
  	char enclosure = '"';	/* allow this to be set as parameter */
  	char escape = '\\';
  
  	/* first section exactly as php_fgetss */
  
  	zend_long len = 0;
  	size_t buf_len;
  	char *buf;
  	php_stream *stream;
  
  	{
  		zval *fd, *len_zv = NULL;
  		char *delimiter_str = NULL;
  		size_t delimiter_str_len = 0;
  		char *enclosure_str = NULL;
  		size_t enclosure_str_len = 0;
  		char *escape_str = NULL;
  		size_t escape_str_len = 0;
  
  		if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|zsss",
  			&fd, &len_zv, &delimiter_str, &delimiter_str_len,
  			&enclosure_str, &enclosure_str_len,
  			&escape_str, &escape_str_len) == FAILURE
  		) {
  			return;
  		}
  
  		if (delimiter_str != NULL) {
  			/* Make sure that there is at least one character in string */
  			if (delimiter_str_len < 1) {
  				php_error_docref(NULL, E_WARNING, "delimiter must be a character");
  				RETURN_FALSE;
  			} else if (delimiter_str_len > 1) {
  				php_error_docref(NULL, E_NOTICE, "delimiter must be a single character");
  			}
  
  			/* use first character from string */
  			delimiter = delimiter_str[0];
  		}
  
  		if (enclosure_str != NULL) {
  			if (enclosure_str_len < 1) {
  				php_error_docref(NULL, E_WARNING, "enclosure must be a character");
  				RETURN_FALSE;
  			} else if (enclosure_str_len > 1) {
  				php_error_docref(NULL, E_NOTICE, "enclosure must be a single character");
  			}
  
  			/* use first character from string */
  			enclosure = enclosure_str[0];
  		}
  
  		if (escape_str != NULL) {
  			if (escape_str_len < 1) {
  				php_error_docref(NULL, E_WARNING, "escape must be character");
  				RETURN_FALSE;
  			} else if (escape_str_len > 1) {
  				php_error_docref(NULL, E_NOTICE, "escape must be a single character");
  			}
  
  			escape = escape_str[0];
  		}
  
  		if (len_zv != NULL && Z_TYPE_P(len_zv) != IS_NULL) {
  			len = zval_get_long(len_zv);
  			if (len < 0) {
  				php_error_docref(NULL, E_WARNING, "Length parameter may not be negative");
  				RETURN_FALSE;
  			} else if (len == 0) {
  				len = -1;
  			}
  		} else {
  			len = -1;
  		}
  
  		PHP_STREAM_TO_ZVAL(stream, fd);
  	}
  
  	if (len < 0) {
  		if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
  			RETURN_FALSE;
  		}
  	} else {
  		buf = emalloc(len + 1);
  		if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
  			efree(buf);
  			RETURN_FALSE;
  		}
  	}
  
  	php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value);
  }
  /* }}} */
  
  PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value) /* {{{ */
  {
  	char *temp, *tptr, *bptr, *line_end, *limit;
  	size_t temp_len, line_end_len;
  	int inc_len;
  	zend_bool first_field = 1;
  
  	/* initialize internal state */
  	php_mb_reset();
  
  	/* Now into new section that parses buf for delimiter/enclosure fields */
  
  	/* Strip trailing space from buf, saving end of line in case required for enclosure field */
  
  	bptr = buf;
  	tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter);
  	line_end_len = buf_len - (size_t)(tptr - buf);
  	line_end = limit = tptr;
  
  	/* reserve workspace for building each individual field */
  	temp_len = buf_len;
  	temp = emalloc(temp_len + line_end_len + 1);
  
  	/* Initialize return array */
  	array_init(return_value);
  
  	/* Main loop to read CSV fields */
  	/* NB this routine will return a single null entry for a blank line */
  
  	do {
  		char *comp_end, *hunk_begin;
  
  		tptr = temp;
  
  		inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
  		if (inc_len == 1) {
  			char *tmp = bptr;
  			while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
  				tmp++;
    			}
  			if (*tmp == enclosure) {
  				bptr = tmp;
  			}
    		}
  
  		if (first_field && bptr == line_end) {
  			add_next_index_null(return_value);
  			break;
  		}
  		first_field = 0;
  		/* 2. Read field, leaving bptr pointing at start of next field */
  		if (inc_len != 0 && *bptr == enclosure) {
  			int state = 0;
  
  			bptr++;	/* move on to first character in field */
  			hunk_begin = bptr;
  
  			/* 2A. handle enclosure delimited field */
  			for (;;) {
  				switch (inc_len) {
  					case 0:
  						switch (state) {
  							case 2:
  								memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
  								tptr += (bptr - hunk_begin - 1);
  								hunk_begin = bptr;
  								goto quit_loop_2;
  
  							case 1:
  								memcpy(tptr, hunk_begin, bptr - hunk_begin);
  								tptr += (bptr - hunk_begin);
  								hunk_begin = bptr;
  								/* break is omitted intentionally */
  
  							case 0: {
  								char *new_buf;
  								size_t new_len;
  								char *new_temp;
  
  								if (hunk_begin != line_end) {
  									memcpy(tptr, hunk_begin, bptr - hunk_begin);
  									tptr += (bptr - hunk_begin);
  									hunk_begin = bptr;
  								}
  
  								/* add the embedded line end to the field */
  								memcpy(tptr, line_end, line_end_len);
  								tptr += line_end_len;
  
  								if (stream == NULL) {
  									goto quit_loop_2;
  								} else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
  									/* we've got an unterminated enclosure,
  									 * assign all the data from the start of
  									 * the enclosure to end of data to the
  									 * last element */
  									if ((size_t)temp_len > (size_t)(limit - buf)) {
  										goto quit_loop_2;
  									}
  									zval_dtor(return_value);
  									RETVAL_FALSE;
  									goto out;
  								}
  								temp_len += new_len;
  								new_temp = erealloc(temp, temp_len);
  								tptr = new_temp + (size_t)(tptr - temp);
  								temp = new_temp;
  
  								efree(buf);
  								buf_len = new_len;
  								bptr = buf = new_buf;
  								hunk_begin = buf;
  
  								line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter);
  								line_end_len = buf_len - (size_t)(limit - buf);
  
  								state = 0;
  							} break;
  						}
  						break;
  
  					case -2:
  					case -1:
  						php_mb_reset();
  						/* break is omitted intentionally */
  					case 1:
  						/* we need to determine if the enclosure is
  						 * 'real' or is it escaped */
  						switch (state) {
  							case 1: /* escaped */
  								bptr++;
  								state = 0;
  								break;
  							case 2: /* embedded enclosure ? let's check it */
  								if (*bptr != enclosure) {
  									/* real enclosure */
  									memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
  									tptr += (bptr - hunk_begin - 1);
  									hunk_begin = bptr;
  									goto quit_loop_2;
  								}
  								memcpy(tptr, hunk_begin, bptr - hunk_begin);
  								tptr += (bptr - hunk_begin);
  								bptr++;
  								hunk_begin = bptr;
  								state = 0;
  								break;
  							default:
  								if (*bptr == enclosure) {
  									state = 2;
  								} else if (*bptr == escape_char) {
  									state = 1;
  								}
  								bptr++;
  								break;
  						}
  						break;
  
  					default:
  						switch (state) {
  							case 2:
  								/* real enclosure */
  								memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
  								tptr += (bptr - hunk_begin - 1);
  								hunk_begin = bptr;
  								goto quit_loop_2;
  							case 1:
  								bptr += inc_len;
  								memcpy(tptr, hunk_begin, bptr - hunk_begin);
  								tptr += (bptr - hunk_begin);
  								hunk_begin = bptr;
  								break;
  							default:
  								bptr += inc_len;
  								break;
  						}
  						break;
  				}
  				inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
  			}
  
  		quit_loop_2:
  			/* look up for a delimiter */
  			for (;;) {
  				switch (inc_len) {
  					case 0:
  						goto quit_loop_3;
  
  					case -2:
  					case -1:
  						inc_len = 1;
  						php_mb_reset();
  						/* break is omitted intentionally */
  					case 1:
  						if (*bptr == delimiter) {
  							goto quit_loop_3;
  						}
  						break;
  					default:
  						break;
  				}
  				bptr += inc_len;
  				inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
  			}
  
  		quit_loop_3:
  			memcpy(tptr, hunk_begin, bptr - hunk_begin);
  			tptr += (bptr - hunk_begin);
  			bptr += inc_len;
  			comp_end = tptr;
  		} else {
  			/* 2B. Handle non-enclosure field */
  
  			hunk_begin = bptr;
  
  			for (;;) {
  				switch (inc_len) {
  					case 0:
  						goto quit_loop_4;
  					case -2:
  					case -1:
  						inc_len = 1;
  						php_mb_reset();
  						/* break is omitted intentionally */
  					case 1:
  						if (*bptr == delimiter) {
  							goto quit_loop_4;
  						}
  						break;
  					default:
  						break;
  				}
  				bptr += inc_len;
  				inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
  			}
  		quit_loop_4:
  			memcpy(tptr, hunk_begin, bptr - hunk_begin);
  			tptr += (bptr - hunk_begin);
  
  			comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter);
  			if (*bptr == delimiter) {
  				bptr++;
  			}
  		}
  
  		/* 3. Now pass our field back to php */
  		*comp_end = '\0';
  		add_next_index_stringl(return_value, temp, comp_end - temp);
  	} while (inc_len > 0);
  
  out:
  	efree(temp);
  	if (stream) {
  		efree(buf);
  	}
  }
  /* }}} */
  
  #if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
  /* {{{ proto string realpath(string path)
     Return the resolved path */
  PHP_FUNCTION(realpath)
  {
  	char *filename;
  	size_t filename_len;
  	char resolved_path_buff[MAXPATHLEN];
  
  #ifndef FAST_ZPP
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
  		return;
  	}
  #else
  	ZEND_PARSE_PARAMETERS_START(1, 1)
  		Z_PARAM_PATH(filename, filename_len)
  	ZEND_PARSE_PARAMETERS_END();
  #endif
  
  	if (VCWD_REALPATH(filename, resolved_path_buff)) {
  		if (php_check_open_basedir(resolved_path_buff)) {
  			RETURN_FALSE;
  		}
  
  #ifdef ZTS
  		if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
  			RETURN_FALSE;
  		}
  #endif
  		RETURN_STRING(resolved_path_buff);
  	} else {
  		RETURN_FALSE;
  	}
  }
  /* }}} */
  #endif
  
  /* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
  #define PHP_META_HTML401_CHARS "-_.:"
  
  /* {{{ php_next_meta_token
     Tokenizes an HTML file for get_meta_tags */
  php_meta_tags_token php_next_meta_token(php_meta_tags_data *md)
  {
  	int ch = 0, compliment;
  	char buff[META_DEF_BUFSIZE + 1];
  
  	memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
  
  	while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
  		if (php_stream_eof(md->stream)) {
  			break;
  		}
  
  		if (md->ulc) {
  			ch = md->lc;
  			md->ulc = 0;
  		}
  
  		switch (ch) {
  			case '<':
  				return TOK_OPENTAG;
  				break;
  
  			case '>':
  				return TOK_CLOSETAG;
  				break;
  
  			case '=':
  				return TOK_EQUAL;
  				break;
  			case '/':
  				return TOK_SLASH;
  				break;
  
  			case '\'':
  			case '"':
  				compliment = ch;
  				md->token_len = 0;
  				while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
  					buff[(md->token_len)++] = ch;
  
  					if (md->token_len == META_DEF_BUFSIZE) {
  						break;
  					}
  				}
  
  				if (ch == '<' || ch == '>') {
  					/* Was just an apostrohpe */
  					md->ulc = 1;
  					md->lc = ch;
  				}
  
  				/* We don't need to alloc unless we are in a meta tag */
  				if (md->in_meta) {
  					md->token_data = (char *) emalloc(md->token_len + 1);
  					memcpy(md->token_data, buff, md->token_len+1);
  				}
  
  				return TOK_STRING;
  				break;
  
  			case '\n':
  			case '\r':
  			case '\t':
  				break;
  
  			case ' ':
  				return TOK_SPACE;
  				break;
  
  			default:
  				if (isalnum(ch)) {
  					md->token_len = 0;
  					buff[(md->token_len)++] = ch;
  					while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
  						buff[(md->token_len)++] = ch;
  
  						if (md->token_len == META_DEF_BUFSIZE) {
  							break;
  						}
  					}
  
  					/* This is ugly, but we have to replace ungetc */
  					if (!isalpha(ch) && ch != '-') {
  						md->ulc = 1;
  						md->lc = ch;
  					}
  
  					md->token_data = (char *) emalloc(md->token_len + 1);
  					memcpy(md->token_data, buff, md->token_len+1);
  
  					return TOK_ID;
  				} else {
  					return TOK_OTHER;
  				}
  				break;
  		}
  	}
  
  	return TOK_EOF;
  }
  /* }}} */
  
  #ifdef HAVE_FNMATCH
  /* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
     Match filename against pattern */
  PHP_FUNCTION(fnmatch)
  {
  	char *pattern, *filename;
  	size_t pattern_len, filename_len;
  	zend_long flags = 0;
  
  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
  		return;
  	}
  
  	if (filename_len >= MAXPATHLEN) {
  		php_error_docref(NULL, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
  		RETURN_FALSE;
  	}
  	if (pattern_len >= MAXPATHLEN) {
  		php_error_docref(NULL, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
  		RETURN_FALSE;
  	}
  
  	RETURN_BOOL( ! fnmatch( pattern, filename, (int)flags ));
  }
  /* }}} */
  #endif
  
  /* {{{ proto string sys_get_temp_dir()
     Returns directory path used for temporary files */
  PHP_FUNCTION(sys_get_temp_dir)
  {
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  	RETURN_STRING((char *)php_get_temporary_directory());
  }
  /* }}} */
  
  /*
   * Local variables:
   * tab-width: 4
   * c-basic-offset: 4
   * End:
   * vim600: noet sw=4 ts=4 fdm=marker
   * vim<600: noet sw=4 ts=4
   */
  